The symptoms of walking pneumonia

Pneumonia is a disease that causes the infection of the lungs. It is an inflammatory disease that causes inflammation of the alveoli when the lungs are filled with fluid. There are many causes of pneumonia. It can be caused by bacteria, fungi, viruses or parasites. The chemical or physical damage to the lungs can also cause pneumonia. The most common symptoms of pneumonia are cough, fever, chest pain and breathing difficulties. The treatment of pneumonia depends on the cause.

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